CVE-2023-47272: Debian Linux

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

Roundcube 1.5.x before 1.5.6 and 1.6.x before 1.6.5 allows XSS via a Content-Type or Content-Disposition header (used for attachment preview or download).

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Fedoraproject Fedora: version 37 only; version 38 only; version 39 only
• Roundcube Webmail: from 1.5.0, before 1.5.6 (fixed in 1.5.6); from 1.6.0, before 1.6.5 (fixed in 1.6.5)

Published 2023-11-06. Last modified 2026-06-17.